Coronavirus y norovirus Flashcards

0
Q

es asociado a gastroenteritis

A

norovirus

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1
Q

es la 2da causa mas fecuente de resfriado comin ademas del sindrome respiratorio agudo grave (SARS)

A

coronavirus

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2
Q

morfo de coronavirus

A

viriones con envoltura
genoma largo arn de cadena positiva
glucoproteinas de superficie en fomra de baston. aspecto a corona
soporta condiciones de tubo digestivo

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3
Q

proteina q es clave para la adhesion virica

A

e2

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4
Q

utiliza un modelo para producir emtre 5 y 7 ARNm

A

proteina L

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5
Q

es una proteina membranosa

A

e1

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6
Q

donde se lleba acabo la replicacion de corona

A

citoplasma

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7
Q

pato de coronav

A

infeccion por vias respiratorias, se replica en temperatuas de 33 a 35 grados, la corona favorece la supervivencia en el tubo digestivo

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8
Q

epi de coro

A

lactantes y ninos

via de trsnmison respiratoria

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9
Q

enf de corona

A

SARS

COV-sars

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10
Q

epi de SARS

A

en orina, sudor y heces

el virus pasa por un animal: paguma

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11
Q

dx coro

A

PCR-TI

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12
Q

tx de coro y control

A

no hay

cuarentena en pacientes infectados

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13
Q

morfo de norovirus

A

redonda, perfil irregular, capside pequena y dsnuda, arn positiva

norwalk no se cultiva en tejidos

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14
Q

replica de norovirus

A

se genera un arnm de expresion temprana que codifica poliproteina q contien polimerasa de arn

el arnm de expresion tardia codifica proteinas de capside

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15
Q

patogenia de norovirus

A

afecta cepillo de intestino la cual impide la absorcion adecuada de agua lo cual genera diarrea, hay vellosidades atenuadas, vacuolacion citoplasmatica e inflitracion mononuclear, la diseminacion continua durante 2 semanas

16
Q

epi de norovirus

A

trasnmicion fecal oral, brotes gastrointeteritis

17
Q

enf de norovirus

A

norwalk: diarrea, nauseas, vomitos y fiebre

18
Q

tx de norovirus

A

subsalicilato de bismuto

norwalk es muy resistente. resiste ph de 3